| 单词 | light-emitting diode |
| 释义 | > as lemmaslight-emitting diode light-emitting diode n. Electronics a semiconductor diode that emits light when a current flows through it; abbreviated LED. ΘΚΠ the world > matter > physics > solid state physics > semiconductivity > semiconductor diode > [noun] crystal rectifier1907 diode1919 varistor1937 photodiode1945 crystal diode1946 junction rectifier1951 junction diode1952 Zener diode1952 Zener1958 tunnel diode1959 light-emitting diode1962 Shockley diode1962 LED1968 Schottky diode1968 OLED1996 1962 Techn. Man. No. 11-5815-281-35 (U.S. Dept. Army) 56.7/1 A photo isolator device containing a light-emitting diode and an NPN photo-transistor. 1986 Sci. Amer. Oct. 52/2 The light source is a semiconductor laser or a light-emitting diode. 2020 Bismarck (N. Dakota) Tribune (Nexis) 17 June b4 The device is equipped on one side with light-emitting diodes, which send out two different types of light, red and infrared. < as lemmas |
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